http://www.rfc-editor.org/rfc/rfc3770.txt
RFC 3770: Certificate Extensions and Attributes Supporting Authentication in Point-to-Point Protocol (PPP) and Wireless Local Area Networks (WLAN), R. Housley, T. Moore2004-05-01T23:00:00-00:00This document defines two EAP extended key usage values and a public key certificate extension to carry Wireless LAN (WLAN) System Service identifiers (SSIDs). [STANDARDS-TRACK]