public static Ed25519EncodedFieldElement toEncodedFieldElement(final BigInteger b){
  return new Ed25519EncodedFieldElement(toByteArray(b));
}

public static Ed25519EncodedFieldElement toEncodedFieldElement ( final BigInteger b ) { return new Ed25519EncodedFieldElement ( toByteArray ( b ) ) ; }
converts a biginteger to an encoded field element .
