http://www.rfc-editor.org/rfc/rfc5480.txt
RFC 5480: Elliptic Curve Cryptography Subject Public Key Information, S. Turner, D. Brown, K. Yiu, R. Housley, T. Polk2009-03-01T23:00:00-00:00This document specifies the syntax and semantics for the Subject Public Key Information field in certificates that support Elliptic Curve Cryptography. This document updates Sections 2.3.5 and 5, and the ASN.1 module of "Algorithms and Identifiers for the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile", RFC 3279. [STANDARDS-TRACK]