%% You should probably cite rfc1829 instead of this I-D.
@techreport{ietf-ipsec-esp-des-cbc-03,
    number =    {draft-ietf-ipsec-esp-des-cbc-03},
    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-ipsec-esp-des-cbc/03/},
    author =    {Phil R. Karn and William A. Simpson and Perry E. Metzger},
    title =     {{The ESP DES-CBC Transform}},
    pagetotal = 11,
    year =      1995,
    month =     mar,
    day =       23,
    abstract =  {This document describes the DES-CBC security transform for the IP Encapsulating Security Payload (ESP). {[}STANDARDS-TRACK{]}},
}