%% You should probably cite rfc3580 instead of this I-D.
@techreport{congdon-radius-8021x-29,
    number =    {draft-congdon-radius-8021x-29},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-congdon-radius-8021x/29/},
    author =    {Andrew H. Smith and Glen Zorn and John Roese and Dr. Bernard D. Aboba and Paul Congdon},
    title =     {{IEEE 802.1X Remote Authentication Dial In User Service (RADIUS) Usage Guidelines}},
    pagetotal = 30,
    year =      2003,
    month =     apr,
    day =       18,
    abstract =  {This document provides suggestions on Remote Authentication Dial In User Service (RADIUS) usage by IEEE 802.1X Authenticators. The material in this document is also included within a non-normative Appendix within the IEEE 802.1X specification, and is being presented as an IETF RFC for informational purposes. This memo provides information for the Internet community.},
}