%% You should probably cite rfc4740 instead of this I-D.
@techreport{ietf-aaa-diameter-sip-app-12,
    number =    {draft-ietf-aaa-diameter-sip-app-12},
    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-aaa-diameter-sip-app/12/},
    author =    {Carolina Canales-Valenzuela and Miguel Angel García and Kalle Tammi and Miguel A. Pallares-Lopez and Maria-Carmen Belinchon},
    title =     {{Diameter Session Initiation Protocol (SIP) Application}},
    pagetotal = 72,
    year =      2006,
    month =     apr,
    day =       28,
    abstract =  {This document specifies the Diameter Session Initiation Protocol (SIP) application. This is a Diameter application that allows a Diameter client to request authentication and authorization information. This application is designed to be used in conjunction with SIP and provides a Diameter client co-located with a SIP server, with the ability to request the authentication of users and authorization of SIP resources usage from a Diameter server. {[}STANDARDS-TRACK{]}},
}