http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
class org.bouncycastle.asn1.x9.X962NamedCurves$23 extends org.bouncycastle.asn1.x9.X9ECParametersHolder
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.asn1.x9.X962NamedCurves$23
  super_class: org.bouncycastle.asn1.x9.X9ECParametersHolder
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.x9.X962NamedCurves$23 this
         0: .line 499
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.x9.X9ECParametersHolder.<init>:()V
            return
        end local 0 // org.bouncycastle.asn1.x9.X962NamedCurves$23 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x9/X962NamedCurves$23;

  protected org.bouncycastle.asn1.x9.X9ECParameters createParameters();
    descriptor: ()Lorg/bouncycastle/asn1/x9/X9ECParameters;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=9, locals=4, args_size=1
        start local 0 // org.bouncycastle.asn1.x9.X962NamedCurves$23 this
         0: .line 503
            new java.math.BigInteger
            dup
            ldc "0340340340340340340340340340340340340340340340340340340323C313FAB50589703B5EC68D3587FEC60D161CC149C1AD4A91"
            bipush 16
            invokespecial java.math.BigInteger.<init>:(Ljava/lang/String;I)V
            astore 1 /* c2m431r1n */
        start local 1 // java.math.BigInteger c2m431r1n
         1: .line 504
            ldc 10080
            invokestatic java.math.BigInteger.valueOf:(J)Ljava/math/BigInteger;
            astore 2 /* c2m431r1h */
        start local 2 // java.math.BigInteger c2m431r1h
         2: .line 506
            new org.bouncycastle.math.ec.ECCurve$F2m
            dup
         3: .line 507
            sipush 431
         4: .line 508
            bipush 120
         5: .line 509
            new java.math.BigInteger
            dup
            ldc "1A827EF00DD6FC0E234CAF046C6A5D8A85395B236CC4AD2CF32A0CADBDC9DDF620B0EB9906D0957F6C6FEACD615468DF104DE296CD8F"
            bipush 16
            invokespecial java.math.BigInteger.<init>:(Ljava/lang/String;I)V
         6: .line 510
            new java.math.BigInteger
            dup
            ldc "10D9B4A3D9047D8B154359ABFB1B7F5485B04CEB868237DDC9DEDA982A679A5A919B626D4E50A8DD731B107A9962381FB5D807BF2618"
            bipush 16
            invokespecial java.math.BigInteger.<init>:(Ljava/lang/String;I)V
         7: .line 511
            aload 1 /* c2m431r1n */
            aload 2 /* c2m431r1h */
         8: .line 506
            invokespecial org.bouncycastle.math.ec.ECCurve$F2m.<init>:(IILjava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            astore 3 /* c2m431r1 */
        start local 3 // org.bouncycastle.math.ec.ECCurve c2m431r1
         9: .line 513
            new org.bouncycastle.asn1.x9.X9ECParameters
            dup
        10: .line 514
            aload 3 /* c2m431r1 */
        11: .line 515
            aload 3 /* c2m431r1 */
        12: .line 516
            ldc "02120FC05D3C67A99DE161D2F4092622FECA701BE4F50F4758714E8A87BBF2A658EF8C21E7C5EFE965361F6C2999C0C247B0DBD70CE6B7"
            invokestatic org.bouncycastle.util.encoders.Hex.decode:(Ljava/lang/String;)[B
        13: .line 515
            invokevirtual org.bouncycastle.math.ec.ECCurve.decodePoint:([B)Lorg/bouncycastle/math/ec/ECPoint;
        14: .line 517
            aload 1 /* c2m431r1n */
            aload 2 /* c2m431r1h */
        15: .line 518
            aconst_null
        16: .line 513
            invokespecial org.bouncycastle.asn1.x9.X9ECParameters.<init>:(Lorg/bouncycastle/math/ec/ECCurve;Lorg/bouncycastle/math/ec/ECPoint;Ljava/math/BigInteger;Ljava/math/BigInteger;[B)V
            areturn
        end local 3 // org.bouncycastle.math.ec.ECCurve c2m431r1
        end local 2 // java.math.BigInteger c2m431r1h
        end local 1 // java.math.BigInteger c2m431r1n
        end local 0 // org.bouncycastle.asn1.x9.X962NamedCurves$23 this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   17     0       this  Lorg/bouncycastle/asn1/x9/X962NamedCurves$23;
            1   17     1  c2m431r1n  Ljava/math/BigInteger;
            2   17     2  c2m431r1h  Ljava/math/BigInteger;
            9   17     3   c2m431r1  Lorg/bouncycastle/math/ec/ECCurve;
}
SourceFile: "X962NamedCurves.java"
EnclosingMethod: org.bouncycastle.asn1.x9.X962NamedCurves
NestHost: org.bouncycastle.asn1.x9.X962NamedCurves
InnerClasses:
  org.bouncycastle.asn1.x9.X962NamedCurves$23
  public F2m = org.bouncycastle.math.ec.ECCurve$F2m of org.bouncycastle.math.ec.ECCurve