%% You should probably cite rfc5125 instead of this I-D.
@techreport{taylor-megaco-obsol3525-01,
    number =    {draft-taylor-megaco-obsol3525-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-taylor-megaco-obsol3525/01/},
    author =    {Tom Taylor},
    title =     {{Reclassification of RFC 3525 to Historic}},
    pagetotal = 4,
    year =      2007,
    month =     may,
    day =       10,
    abstract =  {This document reclassifies RFC 3525, Gateway Control Protocol Version 1, to Historic Status. This memo also obsoletes RFC 3525. This memo provides information for the Internet community.},
}