%% You should probably cite draft-ietf-avt-rtp-h264-params instead of this I-D.
@techreport{kristensen-avt-rtp-h264-params-00,
    number =    {draft-kristensen-avt-rtp-h264-params-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-kristensen-avt-rtp-h264-params/00/},
    author =    {Tom Kristensen and Roni Even},
    title =     {{Parameters for Static Macroblocks and Aspect Ratio in the RTP Payload Format for H.264 Video}},
    pagetotal = 8,
    year =      2007,
    month =     jun,
    day =       19,
    abstract =  {This document updates RFC 3984. It defines new optional parameters addressing new extensions currently supported in H.323 systems: The signalling of the maximum rate of static macroblocks a decoder is able to process. The signalling of the sample aspect ratio supported by the sender or the receiver.},
}