%% You should probably cite rfc3639 instead of this I-D.
@techreport{iab-service-id-considerations-02,
    number =    {draft-iab-service-id-considerations-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-iab-service-id-considerations/02/},
    author =    {Michael StJohns and Geoff Huston},
    title =     {{Considerations on the use of a Service Identifier in Packet Headers}},
    pagetotal = 8,
    year =      2003,
    month =     aug,
    day =       14,
    abstract =  {This memo describes some considerations relating to the use of IP protocol number fields and payload protocol (e.g., TCP) port fields to identify particular services that may be associated with that port number or protocol number.},
}