%% You should probably cite draft-ietf-sip-saml instead of this I-D.
@techreport{tschofenig-sip-saml-05,
    number =    {draft-tschofenig-sip-saml-05},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-tschofenig-sip-saml/05/},
    author =    {Hannes Tschofenig},
    title =     {{SIP SAML Profile and Binding}},
    pagetotal = 43,
    year =      2006,
    month =     mar,
    day =       9,
    abstract =  {This document specifies a Session Initiation Protocol (SIP) profile of Security Assertion Markup Language (SAML) as well as a SAML SIP binding. The defined SIP SAML Profile composes with the mechanisms defined in the SIP Identity specification and satisfy requirements presented in "Trait-based Authorization Requirements for the Session Initiation Protocol (SIP)".},
}