%% You should probably cite rfc2987 instead of this I-D.
@techreport{hoffman-char-lang-media-04,
    number =    {draft-hoffman-char-lang-media-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-hoffman-char-lang-media/04/},
    author =    {Paul E. Hoffman},
    title =     {{Registration of Charset and Languages Media Features Tags}},
    pagetotal = 6,
    year =      2000,
    month =     jul,
    day =       7,
    abstract =  {This document contains the registration for two media feature tags: "charset" and "language". {[}STANDARDS-TRACK{]}},
}