S. Turner, et. al. <a href="http://www.ietf.org/rfc/rfc5480.txt"><cite> Elliptic Curve Cryptography Subject Public Key Information.</cite></a>. IETF RFC 5480 March 2009. URL: <a href="http://www.ietf.org/rfc/rfc5480.txt">http://www.ietf.org/rfc/rfc5480.txt</a>