%% You should probably cite rfc1408 instead of this I-D.
@techreport{ietf-telnet-environment-03,
    number =    {draft-ietf-telnet-environment-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-telnet-environment/03/},
    author =    {David A. Borman},
    title =     {{Telnet Environment Option}},
    pagetotal = 7,
    year =      1992,
    month =     jul,
    day =       2,
    abstract =  {This document specifies a mechanism for passing environment information between a telnet client and server. {[}STANDARDS-TRACK{]}},
}