%% You should probably cite rfc2946 instead of this I-D.
@techreport{tso-telnet-encryption-04,
    number =    {draft-tso-telnet-encryption-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-tso-telnet-encryption/04/},
    author =    {Theodore Ts'o},
    title =     {{Telnet Data Encryption Option}},
    pagetotal = 8,
    year =      1999,
    month =     sep,
    day =       24,
    abstract =  {This document describes a the telnet encryption option as a generic method of providing data confidentiality services for the telnet data stream. {[}STANDARDS-TRACK{]}},
}