%% You should probably cite rfc2116 instead of this I-D.
@techreport{ietf-ids-x500-imps-04,
    number =    {draft-ietf-ids-x500-imps-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-ietf-ids-x500-imps/04/},
    author =    {Chris W. Apple and Ken J. Rossen},
    title =     {{X.500 Implementations Catalog-96}},
    pagetotal = 164,
    year =      1996,
    month =     oct,
    day =       29,
    abstract =  {This document is a revision to {[}RFC 1632{]}: A Revised Catalog of Available X.500 Implementations and is based on the results of data collection via a WWW home page that enabled implementors to submit new or updated descriptions of currently available implementations of X.500, including commercial products and openly available offerings. {[}RFC 1632{]} is a revision of {[}RFC 1292{]}. This document contains detailed description of 31 X.500 implementations - DSAs, DUAs, and DUA interfaces. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.},
}