The Token2 Hardware Tokens plugin for WordPress gives you two-factor authentication using the Token2 Hardware Tokens. The two-factor authentication requirement can be enabled on a per-user basis by administrators.

Installation Instructions

• Make sure your webhost is capable of providing accurate time information for PHP/WordPress, ie. make sure a NTP daemon is running on the server.
  
• Install and activate the plugin.
  
• Enter a description on the Users -> Profile and Personal options page, in the Token2 Hardware Tokens section.
  
• Scan the generated QR code with your phone, or enter the secret manually, please note that Token2 hardware tokens are based on TOTP.
  
• You may also want to write down the secret on a piece of paper and store it in a safe place.
  
• Remember to hit the Update profile button at the bottom of the page before leaving the Personal options page.
  
• That’s it, your WordPress blog is now a little more secure.
  

For more information and download visit this page.