%% You should probably cite draft-ietf-sip-rph-new-namespaces instead of this I-D.
@techreport{polk-sip-rph-new-namespaces-01,
    number =    {draft-polk-sip-rph-new-namespaces-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-polk-sip-rph-new-namespaces/01/},
    author =    {James Polk},
    title =     {{New Session Initiation Protocol Resource-Priority Header Namespaces for the Defense Information Systems Agency}},
    pagetotal = 12,
    year =      2007,
    month =     jul,
    day =       13,
    abstract =  {This document creates additional Session Initiation Protocol Resource-Priority header namespaces, to be IANA registered. This document intends to update RFC 4412, as a Proposed Standard document if published by the RFC-Editor.},
}