%% You should probably cite rfc2190 instead of this I-D.
@techreport{ietf-avt-rtp-payload-04,
    number =    {draft-ietf-avt-rtp-payload-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-avt-rtp-payload/04/},
    author =    {Chunrong Zhu},
    title =     {{RTP Payload Format for H.263 Video Streams}},
    pagetotal = 12,
    year =      1997,
    month =     jul,
    day =       24,
    abstract =  {This document specifies the payload format for encapsulating an H.263 bitstream in the Real-Time Transport Protocol (RTP). {[}STANDARDS-TRACK{]}},
}