%% You should probably cite rfc4616 instead of this I-D.
@techreport{ietf-sasl-plain-09,
    number =    {draft-ietf-sasl-plain-09},
    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-sasl-plain/09/},
    author =    {Kurt Zeilenga},
    title =     {{The PLAIN Simple Authentication and Security Layer (SASL) Mechanism}},
    pagetotal = 11,
    year =      2006,
    month =     jun,
    day =       19,
    abstract =  {This document defines a simple clear-text user/password Simple Authentication and Security Layer (SASL) mechanism called the PLAIN mechanism. The PLAIN mechanism is intended to be used, in combination with data confidentiality services provided by a lower layer, in protocols that lack a simple password authentication command. {[}STANDARDS-TRACK{]}},
}