%% You should probably cite draft-ietf-curdle-ssh-ext-info instead of this I-D.
@techreport{ssh-ext-info-05,
    number =    {draft-ssh-ext-info-05},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ssh-ext-info/05/},
    author =    {denis bider},
    title =     {{Extension Negotiation in Secure Shell (SSH)}},
    pagetotal = 9,
    year =      2015,
    month =     dec,
    day =       17,
    abstract =  {This memo defines a mechanism for SSH clients and servers to exchange information about supported protocol extensions confidentially after completed key exchange.},
}