%% You should probably cite draft-ietf-clue-signaling instead of this I-D.
@techreport{kyzivat-clue-signaling-05,
    number =    {draft-kyzivat-clue-signaling-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-kyzivat-clue-signaling/05/},
    author =    {Paul Kyzivat and Lennard Xiao and Christian Groves and Robert Hansen},
    title =     {{CLUE Signaling}},
    pagetotal = 44,
    year =      2013,
    month =     sep,
    day =       15,
    abstract =  {This document specifies how signaling is conducted in the course of CLUE sessions. This includes how SIP/SDP signaling is applied to CLUE sessions as well as defining a CLUE-specific signaling protocol that complements SIP/SDP and supports negotiation of CLUE application level data.},
}