Java Security

Hi there,
I need to get the RSA private key in DER encoded PKCS#1 format. Is there a way
to get that using Bouncy Caslte?

Thanks,

    KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA", "BC");
    generator.initialize(2048);
    KeyPair pair = generator.generateKeyPair();
//    pair.getEncoded()     <--- This would give the DER encoded key, but in PKCS#8 format
     StringWriter sw = new StringWriter();
     PEMWriter pemW = new PEMWriter(sw, "BC");
     pemW.writeObject(pair.getPrivate());
     pemW.close();
     System.out.println(sw.getBuffer());