%% You should probably cite rfc2138 instead of this I-D.
@techreport{ietf-radius-radius-04,
    number =    {draft-ietf-radius-radius-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-radius-radius/04/},
    author =    {Allan Rubens and Carl Rigney and Steve Willens and William A. Simpson},
    title =     {{Remote Authentication Dial In User Service (RADIUS)}},
    pagetotal = 65,
    year =      1996,
    month =     jul,
    day =       1,
    abstract =  {This document describes a protocol for carrying authentication, authorization, and configuration information between a Network Access Server which desires to authenticate its links and a shared Authentication Server. {[}STANDARDS-TRACK{]}},
}