%% You should probably cite rfc6271 instead of this I-D.
@techreport{ietf-speermint-requirements-11,
    number =    {draft-ietf-speermint-requirements-11},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-speermint-requirements/11/},
    author =    {Jean-Francois Mule},
    title =     {{Requirements for SIP-Based Session Peering}},
    pagetotal = 23,
    year =      2011,
    month =     mar,
    day =       11,
    abstract =  {This memo captures protocol requirements to enable session peering of voice, presence, instant messaging, and other types of multimedia traffic. This informational document is intended to link the various use cases described for session peering to protocol solutions. This document is not an Internet Standards Track specification; it is published for informational purposes.},
}