%% You should probably cite rfc1517 instead of this I-D.
@techreport{ietf-iesg-cidr-00,
    number =    {draft-ietf-iesg-cidr-00},
    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-iesg-cidr/00/},
    author =    {Bob Hinden},
    title =     {{Applicability Statement for the Implementation of Classless Inter-Domain Routing (CIDR)}},
    pagetotal = 4,
    year =      1993,
    month =     jun,
    day =       10,
    abstract =  {Classless Inter-Domain Routing (CIDR) defines a mechanism to slow the growth of routing tables and reduce the need to allocate new IP network numbers. {[}STANDARDS-TRACK{]}},
}