%% You should probably cite rfc3803 instead of this I-D.
@techreport{ietf-vpim-vpimv2r2-dur-03,
    number =    {draft-ietf-vpim-vpimv2r2-dur-03},
    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-vpim-vpimv2r2-dur/03/},
    author =    {Glenn Parsons and Gregory Vaudreuil},
    title =     {{Content Duration MIME Header Definition}},
    pagetotal = 5,
    year =      2002,
    month =     feb,
    day =       15,
    abstract =  {This document describes the MIME header Content-Duration that is intended for use with any time varying media content (typically audio/* or video/*). {[}STANDARDS-TRACK{]}},
}