%% You should probably cite draft-ietf-cbor-cddl-control instead of this I-D.
@techreport{bormann-cbor-cddl-control-00,
    number =    {draft-bormann-cbor-cddl-control-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-bormann-cbor-cddl-control/00/},
    author =    {Carsten Bormann},
    title =     {{Additional Control Operators for CDDL}},
    pagetotal = 9,
    year =      ,
    month =     ,
    day =       ,
    abstract =  {The Concise Data Definition Language (CDDL), standardized in RFC 8610, provides "control operators" as its main language extension point. The present document defines a number of control operators that did not make it into RFC 8610.},
}