User-agent: Mediapartners-Google*
Disallow:

User-agent: *
Disallow: / 

User-agent: ia_archiver
Disallow: /

User-agent: Accoona
Disallow: /

User-agent: BecomeBot
Disallow: /

User-agent: HatenaScreenshot
Disallow:/

User-agent: turnitinbot
Disallow:/

User-agent: Steeler
Disallow: /

User-agent: gigabot
Disallow: /

User-agent: Googlebot
Allow: /