%% You should probably cite rfc9207 instead of this I-D.
@techreport{ietf-oauth-iss-auth-resp-01,
    number =    {draft-ietf-oauth-iss-auth-resp-01},
    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-oauth-iss-auth-resp/01/},
    author =    {Karsten Meyer zu Selhausen and Daniel Fett},
    title =     {{OAuth 2.0 Authorization Server Issuer Identification}},
    pagetotal = 10,
    year =      2021,
    month =     jun,
    day =       8,
    abstract =  {This document specifies a new parameter "iss" that is used to explicitly include the issuer identifier of the authorization server in the authorization response of an OAuth authorization flow. The "iss" parameter serves as an effective countermeasure to "mix-up attacks".},
}