%% You should probably cite draft-ietf-mmusic-sdp-dtls instead of this I-D.
@techreport{fischl-mmusic-sdp-dtls-04,
    number =    {draft-fischl-mmusic-sdp-dtls-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-fischl-mmusic-sdp-dtls/04/},
    author =    {Jason Fischl and Hannes Tschofenig},
    title =     {{Session Description Protocol (SDP) Indicators for Datagram Transport Layer Security (DTLS)}},
    pagetotal = 8,
    year =      2007,
    month =     nov,
    day =       19,
    abstract =  {This specification defines how to use the Session Description Protocol (SDP) to signal that media will be transported over Datagram Transport Layer Security (DTLS) or where the SRTP security context is established using DTLS and. It reuses the syntax and semantics for an SDP 'fingerprint' attribute that identifies the certificate which will be presented during the DTLS handshake.},
}