%% You should probably cite draft-ietf-avtext-rid instead of this I-D.
@techreport{roach-avtext-rid-00,
    number =    {draft-roach-avtext-rid-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-roach-avtext-rid/00/},
    author =    {Adam Roach and Suhas Nandakumar and Peter Thatcher},
    title =     {{RTP Payload Format Constraints}},
    pagetotal = 6,
    year =      2015,
    month =     nov,
    day =       30,
    abstract =  {This document defines and registers an RTCP SDES item, RID, for identification of RTP streams associated with encoded and dependent streams.},
}