%% You should probably cite draft-ietf-gnap-core-protocol-20 instead of this revision.
@techreport{ietf-gnap-core-protocol-13,
    number =    {draft-ietf-gnap-core-protocol-13},
    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-gnap-core-protocol/13/},
    author =    {Justin Richer and Fabien Imbault},
    title =     {{Grant Negotiation and Authorization Protocol}},
    pagetotal = 219,
    year =      ,
    month =     ,
    day =       ,
    abstract =  {GNAP defines a mechanism for delegating authorization to a piece of software, and conveying the results and artifacts of that delegation to the software. This delegation can include access to a set of APIs as well as subject information passed directly to the software.},
}