Package: rubygem-mizuho

"rubygem-mizuho" package binaries on CentOS:

/usr/bin/mizuho-asciidoc /usr/bin/mizuho /usr/lib/ruby/gems/1.8/gems/mizuho-0.9.20/bin/mizuho-asciidoc /usr/lib/ruby/gems/1.8/gems/mizuho-0.9.20/bin/mizuho

You may install this package on CentOS with yum install rubygem-mizuho