%% You should probably cite rfc2780 instead of this I-D.
@techreport{bradner-iana-allocation-04,
    number =    {draft-bradner-iana-allocation-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-bradner-iana-allocation/04/},
    author =    {Dr. Vern Paxson and Scott O. Bradner},
    title =     {{IANA Allocation Guidelines For Values In the Internet Protocol and Related Headers}},
    pagetotal = 10,
    year =      2000,
    month =     jan,
    day =       7,
    abstract =  {This memo provides guidance for the IANA to use in assigning parameters for fields in the IPv4, IPv6, ICMP, UDP and TCP protocol headers. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.},
}