As a plugin developer you can use this plugin as dependency of your plugin by adding a dependency tag to your POM.
To add the latest version of this plugin as a maven dependency, use the following:
<dependency>
    <groupId>com.sonymobile.jenkins.plugins.kerberos-sso</groupId>
    <artifactId>kerberos-sso</artifactId>
    <version>247.v5b_3c2105a_9e3</version>
</dependency>