%% You should probably cite rfc2873 instead of this I-D.
@techreport{xiao-tcp-prec-03,
    number =    {draft-xiao-tcp-prec-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-xiao-tcp-prec/03/},
    author =    {Edward Crabbe and Alan Hannan and Dr. Vern Paxson and X Xiao},
    title =     {{TCP Processing of the IPv4 Precedence Field}},
    pagetotal = 8,
    year =      2000,
    month =     may,
    day =       3,
    abstract =  {This memo describes a conflict between TCP and DiffServ on the use of the three leftmost bits in the TOS octet of an IPv4 header. {[}STANDARDS-TRACK{]}},
}