%% You should probably cite rfc8308 instead of this I-D.
@techreport{ietf-curdle-ssh-ext-info-15,
    number =    {draft-ietf-curdle-ssh-ext-info-15},
    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-curdle-ssh-ext-info/15/},
    author =    {denis bider},
    title =     {{Extension Negotiation in the Secure Shell (SSH) Protocol}},
    pagetotal = 14,
    year =      2017,
    month =     sep,
    day =       23,
    abstract =  {This memo updates RFCs 4251, 4252, 4253, and 4254 by defining a mechanism for Secure Shell (SSH) clients and servers to exchange information about supported protocol extensions confidentially after SSH key exchange.},
}