%% You should probably cite draft-ietf-cose-x509 instead of this I-D.
@techreport{schaad-cose-x509-02,
    number =    {draft-schaad-cose-x509-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-schaad-cose-x509/02/},
    author =    {Jim Schaad},
    title =     {{CBOR Object Signing and Encryption (COSE): Headers for carrying and referencing X.509 certificates}},
    pagetotal = 10,
    year =      2018,
    month =     jul,
    day =       2,
    abstract =  {This document defines a set of headers to identify and transport X.509 certificates in the CBOR Encoded Message (COSE) syntax. The document additionally defines a set of digest algorithms that are used in identifying certificates, as well as being available for other uses.},
}