%% You should probably cite draft-erdtman-oauth-rpcc instead of this I-D.
@techreport{erdtman-ace-rpcc-00,
    number =    {draft-erdtman-ace-rpcc-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-erdtman-ace-rpcc/00/},
    author =    {Ludwig Seitz and Samuel Erdtman},
    title =     {{Raw-Public-Key and Pre-Shared-Key as OAuth client credentials}},
    pagetotal = 5,
    year =      2017,
    month =     may,
    day =       11,
    abstract =  {This document describes Transport Layer Security (TLS) authentication using Raw-Public-Key and Pre-Shared-Key as new mechanisms for OAuth client authentication. Although defined for TLS the mechanisms are equally applicable for DTLS.},
}