%% You should probably cite draft-ietf-avt-ports-for-ucast-mcast-rtp instead of this I-D.
@techreport{begen-avt-ports-for-ucast-mcast-rtp-02,
    number =    {draft-begen-avt-ports-for-ucast-mcast-rtp-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-begen-avt-ports-for-ucast-mcast-rtp/02/},
    author =    {Ali C. Begen and Bill Ver Steeg},
    title =     {{Port Mapping Between Unicast and Multicast RTP Sessions}},
    pagetotal = 16,
    year =      2010,
    month =     feb,
    day =       5,
    abstract =  {This document presents the details of two port mapping solutions that allow RTP receivers to choose their own RTP and RTCP receive ports for the unicast session(s) in RTP applications using both unicast and multicast services.},
}