hermanradtke

This widget replaces the static Blogroll with a dynamic listing of Google Reader subscriptions.

Google Reader Subscriptions

Display Google Reader subscriptions in sidebar.

mimiz.fr

Add a widget you can use to add your Google Reader items to your sidebars. 
Easy to use, just define your Google Account, in the settings Google Reader Page.
This plugin use the WP-ZFF Zend Framework Full (version 1.10.5-1), please install it ! 
(here is the plugin site : http://passavanti.name/wp-zff-zend-framework-full). And here is the wordpress plugin page : https://wordpress.org/extend/plugins/wp-zff-zend-framework-full/

Google Reader

Add your Google Reader items (shared, starred, tagger ...) to your blog.

Google Reader Subscriptions vs Google Reader