%% You should probably cite rfc1871 instead of this I-D.
@techreport{postel-variance-01,
    number =    {draft-postel-variance-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-postel-variance/01/},
    author =    {Dr. Jon Postel},
    title =     {{Addendum to RFC 1602 -- Variance Procedure}},
    pagetotal = 4,
    year =      1995,
    month =     oct,
    day =       19,
    abstract =  {This document describes a modification to the IETF procedures to allow an escape from a situation where the existing procedures are not working or do not seem to apply. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.},
}