%% You should probably cite rfc6713 instead of this I-D.
@techreport{levine-application-gzip-01,
    number =    {draft-levine-application-gzip-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-levine-application-gzip/01/},
    author =    {John R. Levine},
    title =     {{The application/zlib and application/gzip media types}},
    pagetotal = 4,
    year =      2012,
    month =     mar,
    day =       6,
    abstract =  {This document defines the 'application/gzip' and 'application/zlib' media types for compressed data using the gzip and zlib compression formats.},
}