%% You should probably cite draft-mahy-mls-semiprivatemessage-07 instead of this revision.
@techreport{mahy-mls-semiprivatemessage-04,
    number =    {draft-mahy-mls-semiprivatemessage-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-mahy-mls-semiprivatemessage/04/},
    author =    {Rohan Mahy},
    title =     {{Semi-Private Messages in the Messaging Layer Security (MLS) Protocol}},
    pagetotal = 9,
    year =      ,
    month =     ,
    day =       ,
    abstract =  {This document defines a SemiPrivateMessage for the Messaging Layer Security (MLS) protocol. It allows members to share otherwise private commits and proposals with a designated list of external receivers rather than send these handshakes in a PublicMessage.},
}