%% You should probably cite draft-ietf-oauth-dpop instead of this I-D.
@techreport{fett-oauth-dpop-04,
    number =    {draft-fett-oauth-dpop-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-fett-oauth-dpop/04/},
    author =    {Daniel Fett and Brian Campbell and John Bradley and Torsten Lodderstedt and Michael B. Jones and David Waite},
    title =     {{OAuth 2.0 Demonstration of Proof-of-Possession at the Application Layer (DPoP)}},
    pagetotal = 15,
    year =      2020,
    month =     mar,
    day =       4,
    abstract =  {This document describes a mechanism for sender-constraining OAuth 2.0 tokens via a proof-of-possession mechanism on the application level. This mechanism allows for the detection of replay attacks with access and refresh tokens.},
}