%% You should probably cite rfc8848 instead of this I-D.
@techreport{ietf-clue-signaling-04,
    number =    {draft-ietf-clue-signaling-04},
    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-clue-signaling/04/},
    author =    {Paul Kyzivat and Lennard Xiao and Christian Groves and Robert Hansen},
    title =     {{CLUE Signaling}},
    pagetotal = 34,
    year =      2014,
    month =     oct,
    day =       27,
    abstract =  {This document specifies how CLUE-specific signaling such as the CLUE protocol {[}I-D.ietf-clue-protocol{]} and the CLUE data channel {[}I-D.ietf-clue-datachannel{]} are used with each other and with existing signaling mechanisms such as SIP and SDP to produce a telepresence call.},
}